/* - dropbox_multi_file.js - */
// http://www.gosford.nsw.gov.au/portal_javascripts/dropbox_multi_file.js?original=1
function MultiSelector(list_target,max){this.list_target=list_target;this.count=0;this.id=0;if(max){this.max=max} else{this.max=-1};this.addElement=function(element){if(element.tagName=='INPUT'&&element.type=='file'){element.name='file_'+this.id++;element.multi_selector=this;element.onchange=function(){var new_element=document.createElement('input');new_element.type='file';this.parentNode.insertBefore(new_element,this);this.multi_selector.addElement(new_element);this.multi_selector.addListRow(this);this.style.position='absolute';this.style.left='-1000px'};if(this.max!=-1&&this.count>=this.max){element.disabled=true};this.count++;this.current_element=element} else{alert('Error: not a file input element')}};this.addListRow=function(element){var new_row=document.createElement('div');var new_row_button=document.createElement('input');new_row_button.type='button';new_row_button.value='Delete';new_row.element=element;new_row_button.onclick=function(){this.parentNode.element.parentNode.removeChild(this.parentNode.element);this.parentNode.parentNode.removeChild(this.parentNode);this.parentNode.element.multi_selector.count--;this.parentNode.element.multi_selector.current_element.disabled=false;return false};new_row.innerHTML=element.value;new_row.appendChild(new_row_button);this.list_target.appendChild(new_row)}};